Analysis

  • max time kernel
    149s
  • max time network
    93s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    06/05/2026, 20:54

General

  • Target
    2026-05-06_6f9e91108a0f6716bc45522838732cad_elex_wannacry.exe
  • Size 1.7MB
  • Sample260506-zqcssaex3n
  • SHA256 a31938834b6a3eef5d2789e2bab406ee5091d849ee1e6b7c5e8845afd6cc1dda
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Renames multiple (257) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Drivers directory 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-06_6f9e91108a0f6716bc45522838732cad_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-06_6f9e91108a0f6716bc45522838732cad_elex_wannacry.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4684
    • C:\Windows\SysWOW64\net.exe
      net stop "Kingsoft AntiVirus Service"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5288
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3532
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a342A.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:784
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5344
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4364
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5076
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1952
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5244
  • C:\Windows\uninstall\rundl132.exe
    C:\Windows\uninstall\rundl132.exe
    1⤵
    • Drops file in Drivers directory
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2976

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RCXCCA7.tmp

        • Path C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RCXCCA7.tmp
        • Size 156KB
        • SHA256 20df0a9ce97c311c4881fd6a27e9fb3d4759d94861acbc680179f06de893fd1d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXCE6F.tmp

        • Path C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\RCXCE6F.tmp
        • Size 94KB
        • SHA256 4b0d1c60b387559eea88d77dc98803aa3b32d6a8e5485e4720b0011ecc0712d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD17E.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\RCXD17E.tmp
        • Size 103KB
        • SHA256 6dafbe3aba7bfa41693e20c7cbaf2c13237f3bdfc8933027e1fa3b74cb44b40d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD1C0.tmp

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\RCXD1C0.tmp
        • Size 91KB
        • SHA256 e94597c853343c9eace980ab893fca946167457ac4031b95611df74fe879a84d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msedge.exe.Exe

        • Path C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\msedge.exe.Exe
        • Size 4.0MB
        • SHA256 4fd202524530bea11feb233636be26c84af70af8a3e34a68d11cbe0598dc7cee
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXD28B.tmp

        • Path C:\Program Files (x86)\Mozilla Maintenance Service\RCXD28B.tmp
        • Size 100KB
        • SHA256 4d87571b2c3b3815c445c5331b0ea349d89408d36f92d725e8e05af23b6516ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe.Exe

        • Path C:\Program Files\7-Zip\7z.exe.Exe
        • Size 642KB
        • SHA256 bbc8ff8732592f68af61c79a88a38fa0a3bc5513fbd0518b9305d97cf47f59e4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC178.tmp

        • Path C:\Program Files\7-Zip\RCXC178.tmp
        • Size 91KB
        • SHA256 e4683d860309b8b5ecf7753772daf1a9eabb60f8e3119816f37c543a785124b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC279.tmp

        • Path C:\Program Files\Java\jdk-1.8\bin\RCXC279.tmp
        • Size 92KB
        • SHA256 54369bc6aaf79e38be82abfd3669369859a86de6ae712517f8ffa757d504effc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC51E.tmp

        • Path C:\Program Files\Mozilla Firefox\RCXC51E.tmp
        • Size 91KB
        • SHA256 785b6362283f80412ed302555cf860c5431c86e6f379fdec2808994a5e81f1ff
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCXC551.tmp

        • Path C:\Program Files\VideoLAN\VLC\RCXC551.tmp
        • Size 92KB
        • SHA256 a5d79e5d6583e248ebf69895244cc5cd281bd5a92af52f0c7dcb5fc22217a72a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a342A.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a342A.bat
        • Size 680B
        • SHA256 4640727180dc0073237dfa4c635405f820edd0b09cc7a7d28dc70c47ea0e2a40
        • MD5 SHA1 SHA512 TLSH

        2026-05-06_6f9e91108a0f6716bc45522838732cad_elex_wannacry.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\2026-05-06_6f9e91108a0f6716bc45522838732cad_elex_wannacry.exe.exe
        • Size 1.7MB
        • SHA256 c4ef48cd0666ce447131d436fa62977a84420036eafa8187267c9b8a47a944f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 93KB
        • SHA256 5f97c528054fcbef8a09843af93b5cf5a9615952ec5d710339240b892f58ca74
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hosts

        • Path C:\Windows\system32\drivers\etc\hosts
        • Size 842B
        • SHA256 d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e
        • MD5 SHA1 SHA512 TLSH

        memory/2976-19-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4684-0-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4684-12-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5344-22-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5344-13-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5344-992-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/5344-1261-0x0000000000400000-0x0000000000429000-memory.dmp